Theory of operation ver. 3.0 Aug. 2006
8.2.4
Laser shutter mechanism
• There is a shutter mechanism provided to prevent the PH from being contaminated with
foreign matter such as dust when the front cover is opened or closed, or prevent the
emission laser from leaking outside for any reason.
• The shutter opens by pressing shutter guide at insertion of the imaging unit.
Shutter
Shutter guide
8. Write section (PH section)
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